GPT-5.2 Pro

Premium GPT-5.2 model with extended output limits and advanced reasoning for complex tasks.

gpt-5.2-pro
STABLEGet StartedView uptime
400,000 context
Released December 11, 2025
Starting at $21.00/M input tokens
Starting at $168.00/M output tokens
Streaming
Vision
Tools
Reasoning
JSON Output
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Select Provider

All Providers for GPT-5.2 Pro

LLM Gateway routes requests to the best providers that are able to handle your prompt size and parameters.

OpenAI
Context: 400k
Input
$21
/M tokens
Cache Read
/M tokens
Output
$168
/M tokens
+ $0.010 per search
Get Started
Azure
Context: 400k
Input
$21
/M tokens
Cache Read
/M tokens
Output
$168
/M tokens
Get Started

Frequently asked questions

What is GPT-5.2 Pro?

Premium GPT-5.2 model with extended output limits and advanced reasoning for complex tasks. You can access it through LLM Gateway's OpenAI-compatible API with automatic provider routing, fallback, and cost analytics.

How much does GPT-5.2 Pro cost?

Pricing for GPT-5.2 Pro on LLM Gateway starts at $21.00 per million input tokens and $168.00 per million output tokens, depending on the provider. The pricing table above always reflects the current per-provider rates.

What is the context length of GPT-5.2 Pro?

GPT-5.2 Pro supports a context window of up to 400,000 tokens on its largest provider deployment.

Which providers serve GPT-5.2 Pro?

GPT-5.2 Pro is served by OpenAI, Azure through LLM Gateway. Requests are automatically routed to the best available provider, with fallback when a provider has issues.

Does GPT-5.2 Pro support tool calling and structured outputs?

Yes. GPT-5.2 Pro supports both tool (function) calling and structured JSON outputs through LLM Gateway.

When was GPT-5.2 Pro released?

GPT-5.2 Pro was released on December 11, 2025.